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GLM-5.2 vs GPT-4.1

Side-by-side API economics and benchmarks. Per-1M input and output rates, context window, and verified metrics.

Tale of the tape

Head-to-head specs pulled from each model profile.

Metric GLM-5.2 GPT-4.1
Input cost / 1M $1.40 $2.00
Output cost / 1M $4.40 $8.00
Context window 1,048,576 tokens 1,047,576 tokens
MMLU score

Cost verdict

Enter monthly input and output volumes to see total cost savings.

GLM-5.2

Input: 1M × $1.40 = $1.40
Output: 1M × $4.40 = $4.40
Total
$5.80

GPT-4.1

Input: 1M × $2.00 = $2.00
Output: 1M × $8.00 = $8.00
Total
$10.00

Total cost savings

$4.20

GLM-5.2 saves $4.20 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. GPT-4.1 is the premium route (higher combined per-1M cost); GLM-5.2 handles routine traffic.

Premium model

GPT-4.1

$2.00 in · $8.00 out / 1M

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Economical model

GLM-5.2

$1.40 in · $4.40 out / 1M

View profile →

All premium

GPT-4.1

$500.00

100% of input and output on the premium route

Routed stack

80%GLM-5.2

GPT-4.1

$332.00

Routine slice
$232.00
Premium slice
$100.00

Monthly savings

$168.00

33.6% lower

Rates pulled from this page's model database entries (gpt-4-1, glm-5-2) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.

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